Maximum growth rate occurs in 

In which one of the following habitats does the diurnal temperature of soil surface vary most?

The term ecology was coined by

Pneumatophores are present/common in 

Animals undergo inactive stage during winter is known as

In the sigmoid growth curve, the upper asymptote represents the period od 

Niche is defined as the 

Parasite can be explained as an organism which depends on others.

Consider the following statements (A-D) each with one or two blanks:
(A) Bears go into(1) during winter to (2) cold weather.
(B) A conical age pyramid with a broad base represents (3) human population.
(C) A wasp pollinating a fig flower is an example of(4).
(D) An area with high levels of species richness is known as (5).
Which one of the following options gives the correct fill ups for the respective blank numbers from (1) to (5) in the statements?

How do snails escape from the stressful time in summer?

Name the interspecific interaction in which one is detrimental while the other is neutral.

What is an interaction called, when an orchid grows on a mango plants?

How does comouflage help an insect?

What would be the growth curve pattern, when the resources are unlimited?

Mention the adaptations the mammals of colder seas have.

What is brood parasitism? Explain with the help of an example. 

What is metapopulation?

What are omnivores?

Give the name of two parasitic plants and two parasitic animals.

How do kangaroo rats live in the absence of water in the North American deserts?

Give two evidences for the occurence of competition.

What is mutualism? Mention any two examples where the organisms involved are commercially exploited in agriculture.

How do mammals living in colder regions and seals living in polar regions able to reduce the loss of their body heat?

Construct an age pyramid which reflects an expanding growth status of human population

List three symptoms of high altitude sickness and state three adaptations to overcome it.

Describe any three reproductive strategies that organisms have evolved in relation to a particular set of selective pressures.

Mutualism often involves co-evolution of the mutualists.  Describe taking the example of animal plant (wast-fig) relationship.

Fill in the blanks:
(i) Population dispersion has two main patterns. these are _________ and_________
(ii) The number of individuals of a species present per unit area or volume at a given time is _________
(iii) _________is the natural ability of a population to increase at its maximum rate under ideal conditions.
(iv) Populations have characteristic patterns of growth with time .Two contrasting types of growth forms are_________and._________
(v) The interaction between individuals of same species are termed .... interactions and those between individuals of different species are termed_________interactions.
(vi) Termites and flagellates illustrate _________type of interspecific interaction, Similarly, female mosquitoes and man illustrate_________type of interspecific interaction.
(vii) Succession that starts on a bare rock is called _________and that which begin on sand is called._________

Why are small animals not found in polar regions. Explain.